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CVE-2025-53355: mcp-server-kubernetes vulnerable to command injection in several tools

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-08 · updated 2026-06-17
• Weakness: CWE-77

Description

MCP Server Kubernetes is an MCP Server that can connect to a Kubernetes cluster and manage it. A command injection vulnerability exists in the mcp-server-kubernetes MCP Server. The vulnerability is caused by the unsanitized use of input parameters within a call to child_process.execSync, enabling an attacker to inject arbitrary system commands. Successful exploitation can lead to remote code execution under the server process's privileges. This vulnerability is fixed in 2.5.0.

Affected products

• Flux159 mcp-server-kubernetes: before 2.5.0

References

• https://github.com/Flux159/mcp-server-kubernetes/commit/ab165f5a0eea917fef5dbae954506fff6f4bf514
• https://github.com/Flux159/mcp-server-kubernetes/security/advisories/GHSA-gjv4-ghm7-q58q
• https://github.com/cyanheads/git-mcp-server/commit/0dbd6995ccdf76ab770b58013034365b2d06c4d9
• https://github.com/Flux159/mcp-server-kubernetes/security/advisories/GHSA-gjv4-ghm7-q58q

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